package com.sharemarking.system.controller;

import com.sharemarking.system.dto.Page;
import com.sharemarking.system.mapper.BannerMapper;
import com.sharemarking.system.mapper.ChannelMapper;
import com.sharemarking.wa.common.entity.Channel;
import com.sharemarking.wa.common.entity.Post;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Controller;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author dxy
 */
@Controller
@RequestMapping("system/channel")
public class ChannelController {
    @Autowired
    private ChannelMapper cm;
    @Autowired
    private HttpSession session;
    /**
     * 列表页面
     * @param search
     * @param model
     */
    @GetMapping("index")
    @PreAuthorize("hasPermission('base','all')")
    public String index(Channel obj, Integer page, Model model, Integer isSession){
        int size=10;
        if(page==null)page=0;
        // session 参数回显
        if (isSession != null) {
            // 如果isSession为1，代表要从session取条件参数，一般应用在某操作之后要保存查询参数
            size = session.getAttribute("size") == null ? size : (int) session.getAttribute("size");
            page = session.getAttribute("page") == null ? page : (int) session.getAttribute("page");
        }
        Map<String,Object> map = new HashMap<>();
        map.put("pageIndex",page*size);
        map.put("pageSize",size);
        List<Channel> list=cm.getPage(map);
        int total = cm.getPageTotal(map);
        model.addAttribute("page", new Page<>(page, size, total, list));
        model.addAttribute("query",obj);
        // session 参数保存
        session.setAttribute("size", size);
        session.setAttribute("page", page);
        return "channel/index";
    }

    /**
     * 新增、编辑页面
     * @param obj
     * @param model
     * @return
     */
    @GetMapping("{id}")
    @PreAuthorize("hasPermission('base','all')")
    public String get(@PathVariable("id")int id, Model model){
        Channel obj = new Channel();
        if (id > 0) {
            obj = cm.selectById(id);
        }else {
            model.addAttribute("obj",obj);
        }
        model.addAttribute("obj",obj);
        return "channel/form";
    }
    /**
     * 新增、编辑
     * @param obj
     * @param model
     * @return
     */
    @PostMapping("{id}")
    @PreAuthorize("hasPermission('base','all')")
    @Transactional
    public String post(Channel obj, Model model, RedirectAttributes redirectAttributes) throws Exception{
        if (obj.getId() == 0) {
            obj.setParent(1);
            obj.setHidden(0);
            obj.setType("type");
            cm.insert(obj);
        }else {
            cm.updateById(obj);
        }
        model.addAttribute("obj",obj);
        redirectAttributes.addFlashAttribute("msg","操作成功!");
        return "redirect:index?isSession=1";
    }
    /**
     * 删除
     * @param obj
     * @param model
     * @return
     */
    @GetMapping("delete")
    @PreAuthorize("hasPermission('base','all')")
    @Transactional
    public String delete(int id, Model model, RedirectAttributes redirectAttributes){
        cm.deleteById(id);
        redirectAttributes.addFlashAttribute("msg","操作成功！");
        return "redirect:index?isSession=1";
    }
}
